<nav id="bt-menu" class="bt-menu">
        <a href="#" class="bt-menu-trigger"><span>Menu</span></a>
        <ul>
                <li><a href="<?php echo site_url()?>home-page">HOME<span class="glyphicon glyphicon-dashboard adjust-icons"></span></a></li>
                <li><a href="<?php echo site_url()?>first-law">ABOUT THE SITE (?)<span class="glyphicon glyphicon-user adjust-icons"></span></a></li>
                <li><a href="<?php echo site_url()?>second-law">SITE MAP<span class="glyphicon glyphicon-glass adjust-icons"></span></a></li>
                <li><a href="<?php echo site_url()?>third-law">DEVELOPMENT<span class="glyphicon glyphicon-earphone adjust-icons"></span></a></li>
               
        </ul>
</nav>